“黑洞”是科学家首先从理论上进行预言的（

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27099' and id < 2247023 and id<>'2247023' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27099' and id > 2247023 and id<>'2247023' order by id asc limit 5